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DateSun, 03 Dec 2006 08:05:28 -0500
FromJeff Garzik <>
SubjectRe: [PATCH 2.6.19 1/3] sata_promise: PHYMODE4 fixup
Mikael Pettersson wrote:
> This patch adds code to fix up the PHYMODE4 "align timing"
> register value on second-generation Promise SATA chips.
> Failure to correct this value on non-x86 machines makes
> drive detection prone to failure due to timeouts. (I've
> observed about 50% detection failure rates on SPARC64.)
> 
> The HW boots with a bad value in this register, but on x86
> machines the Promise BIOS corrects it to the value recommended
> by the manual, so most people have been unaffected by this issue.
> 
> After developing the patch I checked Promise's SATAII driver,
> and discovered that it also corrects PHYMODE4 just like this
> patch does.
> 
> This patch depends on the sata_promise SATAII updates
> patch I sent recently.
> 
> Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>

applied

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